field guide

noun

a portable illustrated book to help identify birds, plants, rocks, etc., as on a nature walk.

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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WordNet

field guide
noun
a guidebook describing natural objects of some type that might be encountered in the field; "a field guide to mushrooms"

WordNet® 3.0, © 2006 by Princeton University.
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00:10

Field guide is always a great word to know.

So is ninnyhammer. Does it mean:

a fool or simpleton; ninny.

a stew of meat, vegetables, potatoes, etc.

Example sentences

In the meantime, here's a field guide to the known residents.

Birds come to life in brilliant color in this field guide app.

When development work is complete, they should create a one-page fact sheet or field guide page for their fictional creatures.

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